Keri Hilson f/Chris Brown - One Night Stand (15th Day/-3/Peak:04) Melissa Molinaro - Dance Floor (21st Day/+1/Peak:04) Natalia Kills - Wonderland (3rd Day/=/Peak:08) Ms.OOJA - Life (4th Day/+2/Peak:07) Namie Amuro f/Tomohisa Yamashita - UNUSUAL (29th Day/-2/Peak:01[8]) Katy Perry f/Kanye West - E.T. (13th Day/-2/Peak:01[2]) Meisa Kuroki - One More Drama (11th Day/+1/Peak:01[1]) Namie Amuro f/Kaname Kawabata - #1 (29th Day/-2/Peak:01[4]) Kelly Rowland f/Lil Wayne - Motivation (8th Day/+4/Peak:02) Britney Spears - Till The World Ends (5th Day/+1/Peak:01[1])
-None
Retired:
#01: Kanye West f/Rick Ross, Jay-Z & Nicki Minaj - Monster
#02: TVXQ - Keep Your Head Down
#03: MBLAQ - Stay
#04: Kana Nishino - Distance
#05: Koda Kumi - POP DIVA
#06: Rihanna - S&M
#07: Kalafina - Magia
#08: Britney Spears - Hold It Against Me
#09: Kanye West f/Rihanna & Kid Cudi - All Of The Lights
#10: Namie Amuro f/After School - make it happen
#11: Jennifer Lopez f/Pitbull - On The Floor
Ms.OOJA - Life (5th Day/-3/Peak:07) Keri Hilson f/Chris Brown - One Night Stand (16th Day/+1/Peak:04) Melissa Molinaro - Dance Floor (22nd Day/+1/Peak:04) Namie Amuro f/Tomohisa Yamashita - UNUSUAL (30th Day/-1/Peak:01[8]) Natalia Kills - Wonderland (4th Day/+2/Peak:06) Namie Amuro f/Kaname Kawabata - #1 (30th Day/-2/Peak:01[4]) Katy Perry f/Kanye West - E.T. (14th Day/+1/Peak:01[2]) Kelly Rowland f/Lil Wayne - Motivation (9th Day/-1/Peak:02) Meisa Kuroki - One More Drama (12th Day/+2/Peak:01[1]) Britney Spears - Till The World Ends (6th Day/=/Peak:01[2])
-None
Retired:
#01: Kanye West f/Rick Ross, Jay-Z & Nicki Minaj - Monster
#02: TVXQ - Keep Your Head Down
#03: MBLAQ - Stay
#04: Kana Nishino - Distance
#05: Koda Kumi - POP DIVA
#06: Rihanna - S&M
#07: Kalafina - Magia
#08: Britney Spears - Hold It Against Me
#09: Kanye West f/Rihanna & Kid Cudi - All Of The Lights
#10: Namie Amuro f/After School - make it happen
#11: Jennifer Lopez f/Pitbull - On The Floor
04/17/11:
10. Melissa Molinaro - Dance Floor (23rd Day/-2/Peak:04)
09. Ms.OOJA - Life (6th Day/+1/Peak:07)
08. Namie Amuro f/Tomohisa Yamashita - UNUSUAL (31st Day/-1/Peak:01[8])
07. Keri Hilson f/Chris Brown - One Night Stand (17th Day/+2/Peak:04)
06. Namie Amuro f/Kaname Kawabata - #1 (31st Day/-1/Peak:01[4])
05. Kelly Rowland f/Lil Wayne - Motivation (10th Day/-2/Peak:02)
04. Natalia Kills - Wonderland (5th Day/+2/Peak:04)
03. Meisa Kuroki - One More Drama (13th Day/-1/Peak:01[1])
02. Britney Spears - Till The World Ends (7th Day/-1/Peak:01[2])
01. Katy Perry f/Kanye West - E.T. (15th Day/+3/Peak:01[3])
04/18/11:
10. Ms.OOJA - Life (7th Day/-1/Peak:07)
09. Keri Hilson f/Chris Brown - One Night Stand (18th Day/-2/Peak:04)
08. Namie Amuro f/Tomohisa Yamashita - UNUSUAL (32nd Day/=/Peak:01[8])
07. Melissa Molinaro - Dance Floor (24th Day/+3/Peak:04)
06. Natalia Kills - Wonderland (6th Day/-2/Peak:04)
05. Namie Amuro f/Kaname Kawabata - #1 (32nd Day/+1/Peak:01[4])
04. Britney Spears - Till The World Ends (8th Day/-2/Peak:01[2])
03. Kelly Rowland f/Lil Wayne - Motivation (11th Day/+2/Peak:02)
02. Meisa Kuroki - One More Drama (14th Day/+1/Peak:01[1])
01. Katy Perry f/Kanye West - E.T. (16th Day/=/Peak:01[4])
04/19/11:
Melissa Molinaro - Dance Floor (25th Day/-3/Peak:04) Keri Hilson f/Chris Brown - One Night Stand (19th Day/=/Peak:04) Namie Amuro f/Tomohisa Yamashita - UNUSUAL (33rd Day/=/Peak:01[8]) Natalia Kills - Wonderland (7th Day/-1/Peak:04) Namie Amuro f/Kaname Kawabata - #1 (33rd Day/-1/Peak:01[4]) Kana Nishino - Esperanza (1st Day/DEBUT/Peak:05) Katy Perry f/Kanye West - E.T. (17th Day/-3/Peak:01[4]) Britney Spears - Till The World Ends (9th Day/+1/Peak:01[2]) Kelly Rowland f/Lil Wayne - Motivation (12th Day/+1/Peak:02) Meisa Kuroki - One More Drama (15th Day/+1/Peak:01[2])
Retired:
#01: Kanye West f/Rick Ross, Jay-Z & Nicki Minaj - Monster
#02: TVXQ - Keep Your Head Down
#03: MBLAQ - Stay
#04: Kana Nishino - Distance
#05: Koda Kumi - POP DIVA
#06: Rihanna - S&M
#07: Kalafina - Magia
#08: Britney Spears - Hold It Against Me
#09: Kanye West f/Rihanna & Kid Cudi - All Of The Lights
#10: Namie Amuro f/After School - make it happen
happen
#11: Jennifer Lopez f/Pitbull - On The Floor
Keri Hilson f/Chris Brown - One Night Stand (20th Day/-1/Peak:04) Melissa Molinaro - Dance Floor (26th Day/+1/Peak:04) Natalia Kills - Wonderland (8th Day/-1/Peak:04) Namie Amuro f/Tomohisa Yamashita - UNUSUAL (34th Day/+1/Peak:01[8]) Katy Perry f/Kanye West - E.T. (18th Day/-2/Peak:01[4]) Britney Spears - Till The World Ends (10th Day/-2/Peak:01[2]) Kana Nishino - Esperanza (2nd Day/+1/Peak:04) Kelly Rowland f/Lil Wayne - Motivation (13th Day/-1/Peak:02) Namie Amuro f/Kaname Kawabata - #1 (34th Day/+4/Peak:01[4]) Meisa Kuroki - One More Drama (16th Day/=/Peak:01[3])
-None
Retired:
#01: Kanye West f/Rick Ross, Jay-Z & Nicki Minaj - Monster
#02: TVXQ - Keep Your Head Down
#03: MBLAQ - Stay
#04: Kana Nishino - Distance
#05: Koda Kumi - POP DIVA
#06: Rihanna - S&M
#07: Kalafina - Magia
#08: Britney Spears - Hold It Against Me
#09: Kanye West f/Rihanna & Kid Cudi - All Of The Lights
#10: Namie Amuro f/After School - make it happen
happen
#11: Jennifer Lopez f/Pitbull - On The Floor
04/21/11:
10. Keri Hilson f/Chris Brown - One Night Stand (21st Day/=/Peak:04)
09. Melissa Molinaro - Dance Floor (27th Day/=/Peak:04)
08. Britney Spears - Till The World Ends (11th Day/-3/Peak:01[2])
07. Katy Perry f/Kanye West - E.T. (19th Day/-1/Peak:01[4])
06. Natalia Kills - Wonderland (9th Day/+2/Peak:04)
05. Namie Amuro f/Tomohisa Yamashita - UNUSUAL (35th Day/+2/Peak:01[8])
04. Kelly Rowland f/Lil Wayne - Motivation (14th Day/-1/Peak:02)
03. Kana Nishino - Esperanza (3rd Day/+1/Peak:03)
02. Meisa Kuroki - One More Drama (17th Day/-1/Peak:01[3])
01. Namie Amuro f/Kaname Kawabata - #1 (35th Day/+1/Peak:01[5])
04/22/11:
10. Natalia Kills - Wonderland (10th Day/-4/Peak:04)
09. Melissa Molinaro - Dance Floor (28th Day/=/Peak:04)
08. Keri Hilson f/Chris Brown - One Night Stand (22nd Day/+2/Peak:04)
07. Katy Perry f/Kanye West - E.T. (20th Day/=/Peak:01[4])
06. Britney Spears - Till The World Ends (12th Day/+2/Peak:01[2])
05. Kelly Rowland f/Lil Wayne - Motivation (15th Day/-1/Peak:02)
04. Meisa Kuroki - One More Drama (18th Day/-2/Peak:01[3])
03. Namie Amuro f/Tomohisa Yamashita - UNUSUAL (36th Day/+2/Peak:01[8])
02. Kana Nishino - Esperanza (4th Day/+1/Peak:02)
01. Namie Amuro f/Kaname Kawabata - #1 (36th Day/=/Peak:01[6])
04/23/11:
10. Katy Perry f/Kanye West - E.T. (21st Day/-3/Peak:01[4])
09. Natalia Kills - Wonderland (11th Day/+1/Peak:04)
08. Keri Hilson f/Chris Brown - One Night Stand (23rd Day/=/Peak:04)
07. Melissa Molinaro - Dance Floor (29th Day/+2/Peak:04)
06. Meisa Kuroki - One More Drama (19th Day/-2/Peak:01[3])
05. Kana Nishino - Esperanza (5th Day/-3/Peak:02)
04. Namie Amuro f/Tomohisa Yamashita - UNUSUAL (37th Day/-1/Peak:01[8])
03. Britney Spears - Till The World Ends (13th Day/+3/Peak:01[2])
02. Kelly Rowland f/Lil Wayne - Motivation (16th Day/+3/Peak:02)
01. Namie Amuro f/Kaname Kawabata - #1 (37th Day/=/Peak:01[7])
04/24/11:
Katy Perry f/Kanye West - E.T. (22nd Day/=/Peak:01[4]) Melissa Molinaro - Dance Floor (30th Day/-2/Peak:04) Natalia Kills - Wonderland (12th Day/+1/Peak:04) Keri Hilson f/Chris Brown - One Night Stand (24th Day/+1/Peak:04) Namie Amuro f/Tomohisa Yamashita - UNUSUAL (38th Day/-2/Peak:01[8]) Meisa Kuroki - One More Drama (20th Day/+1/Peak:01[3]) Kelly Rowland f/Lil Wayne - Motivation (17th Day/-2/Peak:02) Kana Nishino - Esperanza (6th Day/+2/Peak:02) Britney Spears - Till The World Ends (14th Day/+1/Peak:01[2]) Namie Amuro f/Kaname Kawabata - #1 (38th Day/=/Peak:01[8])
-None
Retired:
#01: Kanye West f/Rick Ross, Jay-Z & Nicki Minaj - Monster
#02: TVXQ - Keep Your Head Down
#03: MBLAQ - Stay
#04: Kana Nishino - Distance
#05: Koda Kumi - POP DIVA
#06: Rihanna - S&M
#07: Kalafina - Magia
#08: Britney Spears - Hold It Against Me
#09: Kanye West f/Rihanna & Kid Cudi - All Of The Lights
#10: Namie Amuro f/After School - make it happen
happen
#11: Jennifer Lopez f/Pitbull - On The Floor
Keri Hilson f/Chris Brown - One Night Stand (15th Day/-3/Peak:04)
Melissa Molinaro - Dance Floor (21st Day/+1/Peak:04) 
Natalia Kills - Wonderland (3rd Day/=/Peak:08)
Ms.OOJA - Life (4th Day/+2/Peak:07) 
Namie Amuro f/Tomohisa Yamashita - UNUSUAL (29th Day/-2/Peak:01[8])
Katy Perry f/Kanye West - E.T. (13th Day/-2/Peak:01[2]) 
Meisa Kuroki - One More Drama (11th Day/+1/Peak:01[1]) 
Namie Amuro f/Kaname Kawabata - #1 (29th Day/-2/Peak:01[4])
Kelly Rowland f/Lil Wayne - Motivation (8th Day/+4/Peak:02) 
Britney Spears - Till The World Ends (5th Day/+1/Peak:01[1])
Retired:
Kana Nishino - Esperanza (1st Day/DEBUT/Peak:05) 
Britney return to #1 
